Daniel Fleisch is Emeritus Professor of Physics at Wittenberg University, where he specialises in electromagnetics and space physics. He is the author of five other books with the Student's Guide series, published by Cambridge University Press: A Student's Guide to Maxwell's Equations (2008); A Student's Guide to Vectors and Tensors (2011); A Student's Guide to the Mathematics of Astronomy (2013), A Student's Guide to Waves (2015), and A Student's Guide to the Schroedinger Equation (2020).